--- Makefile.orig	2017-05-24 18:39:51.016085062 -0700
+++ Makefile	2017-05-24 18:40:03.100085592 -0700
@@ -26,7 +26,7 @@
 
 # Variables mandated by GNU, the arbiter of all good taste on the internet.
 # http://www.gnu.org/prep/standards/standards.html
-prefix=/usr/local
+prefix=/
 exec_prefix=$(prefix)
 includedir=$(prefix)/include
 libdir=$(exec_prefix)/lib
